0 0 0 0
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4 4 0 0 
0 0 0 0 
0 0 0 0 
4 0 0 0 
4 4 4 0 
0 0 0 0 
4 4 0 0 
4 0 0 0 
4 0 0 0 
0 0 0 0
0 0 0 0
4 4 4 0 
0 0 4 0 
